<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <title>Welcome to COLA Sample Service!</title>
    <style>
        body {
            width: 35em;
            margin: 0 auto;
            font-family: Tahoma, Verdana, Arial, sans-serif;
        }
    </style>
</head>
<body>
<h1>Welcome to COLA Sample Service!</h1>
<p>If you see this page, the web server is successfully installed and
    working.</p>

<p><em>Thank you for visiting.</em></p>
</body>
</html>
